... water well drilling rig Drilling depth: 300m End hole caliber: 500-75mm Drill rod caliber: 50mm Drilling angle: 90-75 KDY-300 Diamond Core Drilling ... diameter Applications: 1.Construction drilling of the projects e.g. prospection, railway, road, port, bridge, water conservancy and hydropower, tunnel, ... ×1600Diesel engine495D(26.5KW)ElectromotorY180L-4(22KW) water well drilling rig (KDY-300Y 300M depth)